Abstract
Abstract Dairy livestock production systems rely on high‐quality forage legumes, which are widely present in grassland swards all over Europe. A future climatic scenario with higher average annual temperatures and lower precipitation is expected to affect grassland productivity in general and the productivity of the most important forage legume species Trifolium repens in particular. One way to cope with such constraints is the adoption of currently underutilized minor legume species with a higher tolerance towards drought stress. Therefore, the present study investigated legume species with lower moisture requirements than T. repens , these are Lotus corniculatus, Medicago falcata, Medicago lupulina and Onobrychis viciifolia in comparison with T. repens . Legumes were grown in containers as monocultures in a roofed open‐sided greenhouse under conditions of optimal water supply or periodic drought stress. Generally, drought stress decreased the biomass production, but species differed in their reaction. Particularly, M. lupulina and L. corniculatus had lower relative biomass losses (−26%) compared to T. repens (−43%, as averaged over drought stress periods). However, in overall biomass production T. repens still was at one level with M. lupulina and L. corniculatus under drought stress. This was related to high stomata control as indicated by the intrinsic water‐use efficiency. We conclude that there are promising future options of forage legumes as alternatives to T. repens .
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Claims 6
Claim · model-written summary
Periodic drought decreased legume biomass production.
Not reportedComparator
Verbatim
e0“Generally, drought stress decreased the biomass production, but species differed in their reaction.”
t0“forage legumes”
Claim · model-written summary
Medicago lupulina had a 26% relative biomass loss under drought, lower than Trifolium repens.
- Taxon
- M. lupulina
Medicago lupulinae0 - Treatment
- drought stress periodse0
- Outcome
- relative biomass lossese0
- Direction
- lowere0
- Value
- −26%e0
- Qualifier
- −43%e0
- Comparator
- T. repense0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“M. lupulina and L. corniculatus had lower relative biomass losses (−26%) compared to T. repens (−43%, as averaged over drought stress periods)”
e1“Medicago lupulina”
Claim · model-written summary
Lotus corniculatus had a 26% relative biomass loss under drought, lower than Trifolium repens.
- Taxon
- L. corniculatus
_Lotus_corniculatus_-_Plant_habit.jpg?width=60)
Lotus corniculatuse0 - Treatment
- drought stress periodse0
- Outcome
- relative biomass lossese0
- Direction
- lowere0
- Value
- −26%e0
- Qualifier
- −43%e0
- Comparator
- T. repense0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Lotus_corniculatus_-_Plant_habit.jpg?width=500)
Verbatim
e0“M. lupulina and L. corniculatus had lower relative biomass losses (−26%) compared to T. repens (−43%, as averaged over drought stress periods)”
Claim · model-written summary
Trifolium repens had a 43% relative biomass loss under drought.
- Taxon
- T. repens
Trifolium repense0 - Outcome
- −43%e0
- Value
- −43%e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“compared to T. repens (−43%, as averaged over drought stress periods)”
Claim · model-written summary
Under drought, Trifolium repens biomass production was at the same level as Medicago lupulina and Lotus corniculatus.
- Taxon
- T. repensTrifolium repense0
- Treatment
- drought stresse0
- Outcome
- at one levele0
- Direction
- at one levele0
- Comparator
- M. lupulina and L. corniculatuse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“T. repens still was at one level with M. lupulina and L. corniculatus under drought stress”
Claim · model-written summary
The comparable drought biomass production was related to high stomata control indicated by intrinsic water-use efficiency.
- Taxon
- Trifolium repensTrifolium repenst0
- Outcome
- intrinsic water‐use efficiencye0
- Qualifier
- high stomata controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This was related to high stomata control as indicated by the intrinsic water‐use efficiency.”
t0“Trifolium repens”
The same questions in other papers
drought · growth · Medicago lupulinaPositive and negative results
2 in the opposite direction
- negative
- negative
drought · growth · Lotus corniculatusPositive and negative results
2 papers in the same direction as this paper · 4 in the opposite direction
- positive
- negative
- negative
3 papers more in this group
See all 7 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.